Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 12:06:36 PM (PDT) on Thursday, July 31, 2025.
The magnitude 1.3 event occurred 5 km (3 miles) W of Dublin, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Thursday, July 31, 2025 at 12:06:36 PM (PDT) Thursday, July 31, 2025 at 19:06:36 (UTC) |
| Distance from |
Dublin, CA - 5 km (3 miles) W (274 degrees) Fairview, CA - 6 km (4 miles) ENE (60 degrees) San Ramon, CA - 8 km (5 miles) S (186 degrees) Castro Valley, CA - 9 km (5 miles) E (82 degrees) Hayward, CA - 10 km (6 miles) NE (49 degrees) |
| Coordinates | 37 deg. 42.3 min. N (37.705N), 121 deg. 59.3 min. W (121.988W) |
| Depth | 8.75 km (5.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=26, Nph=30, Dmin=6.9 km, Rmss=0.06 sec, Erho=0.17 km, Erzz=0.29 km, Gp=45 degrees |
| Event ID# | nc75217562 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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